25302225239 has 2 divisors, whose sum is σ = 25302225240. Its totient is φ = 25302225238.

The previous prime is 25302225209. The next prime is 25302225241. The reversal of 25302225239 is 93252220352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25302225239 - 2¹² = 25302221143 is a prime.

Together with 25302225241, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25302225199 and 25302225208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25302225209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651112619 + 12651112620.

It is an arithmetic number, because the mean of its divisors is an integer number (12651112620).

Almost surely, 2^25302225239 is an apocalyptic number.

25302225239 is a deficient number, since it is larger than the sum of its proper divisors (1).

25302225239 is an equidigital number, since it uses as much as digits as its factorization.

25302225239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 25302225239 in words is "twenty-five billion, three hundred two million, two hundred twenty-five thousand, two hundred thirty-nine".